American Surnames
Ethnic distribution of MARKHAM in the USA
| Classification | Total | Percent |
| Black/African American | 733 | 5.74 |
| Mixed Race | 234 | 1.83 |
| White (Hispanic) | 202 | 1.58 |
| Asian/Pacific | 82 | 0.64 |
| Native American/Alaskan | 68 | 0.53 |
| White (Caucasian) | 11,445 | 89.67 |
Ethnic distribution data shows the number and percentage of people with the MARKHAM surname who reported their ethnic background as being in these broad categories in the most recent national census.
